1. 1. Bodies moving through (liquid or gases) experience a retarding force, which is called.

2. 2. Sliding friction is slightly _______ then limiting friction.

3. 3. If applied force F is increased then the force of friction F______.

4. 4. The property of liquid to which they resist their own flow is called.

5. 5. The force exerted by a string when it is subject to pull is.

6. 6. With the increase in mass, the force required to produce the acceleration.

7. 7. If a body suddenly stops then it’s _____ is zero.

8. 8. If a car is traveling due south with a decreasing speed, then the direction of the car’s acceleration is.

9. 9. If a ball just falls from the window of a moving train, the ball hit the ground, following.

10. 10. The acceleration due to gravity in the free falling body is due to.

11. 11. The gravitational pull of the earth gives the ______ to a free-falling body.

12. 12. If a small body falls freely near the earth, its acceleration is.

13. 13. Which of the following changes when a particle is moving with uniform velocity?

14. 14. The force acts on the body then the acceleration produced is directly proportional to the.

15. 15. The displacement of the body is zero. Then distance is covered.

16. 16. Negative acceleration is also called.

17. 17. The motion of the body is said to be uniformly accelerated rectilinear motion when it moves with.

18. 18. The gradient distance time determines the.

19. 19. A body doesn’t change its position with respect to the surrounding is said to be at.

20. 20. Body A and B have the same masses and are placed in a 2 cm part of a uniform surface. If body A is pushed towards body B with a velocity of 20m/s what will be the velocity of A after an elastic collision with B?